using System;
using Microsoft.SPOT;
using Cet.HW.GDI;

/*
 * Copyright 2012, 2013 by Mario Vernari, Cet Electronics
 * Part of "Cet Open Toolbox" (http://cetdevelop.codeplex.com/)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
namespace Cet.HW.Drivers.Invaders
{
    public class Bomb
        : IRenderable
    {

        public bool IsActive;

        public int XCenter;
        public int YCenter;


        public void Update(GameStagePlay stage)
        {
            if (this.IsActive &&
                stage.Context.IsEvenClock)
            {
                this.YCenter++;
                if (YCenter > stage.ViewportBottom)
                {
                    //failed
                    this.IsActive = false;
                }
            }
        }


        public void OnRender(CompositionTargetBase target)
        {
            if (this.IsActive)
            {
                target.DrawPixel(
                    this.XCenter, 
                    this.YCenter, 
                    Colors.Red);
            }
        }

    }
}
